Finding the Third Proportional to 113,338.69 and 248,169.38

Step by Step Solution

1. Step 1: Write the proportion equation
   113,338.69 : 248,169.38 = 248,169.38 : x
2. Step 2: Convert to fraction form
   113,338.69/248,169.38 = 248,169.38/x
3. Step 3: Cross multiply
   113,338.69x = 248,169.38 × 248,169.38
4. Step 4: Simplify right side
   113,338.69x = 61,588,038,687.89
5. Step 5: Solve for x
   x = 61,588,038,687.89/113,338.69
6. Step 6: Final answer
   x = 543,398.20